Located just inside the museum's main lobby, the OMSI Science Store is Portland's leading source for science gifts, games, and gadgets. High quality educational items for all ages are offered at the Science Store by a staff dedicated to OMSI's goal of making science relevant and exciting.

Museum admission is not required to browse the Science Store's wide variety of science-related books, films, toys, kits, and apparel. OMSI members as well as school educators enjoy a 10% discount on purchases. As an independent, non-profit organization, OMSI relies on proceeds from the Science Store to help fund its educational mission, programs, and exhibits.